struggleful vs uphill

struggleful

adj
  • Full of struggle; difficult, hard. 

uphill

adj
  • Difficult or laborious. 

  • Located up a slope or on a hill. 

  • Going up a slope or a hill. 

adv
  • Up a slope, towards higher ground. 

  • With difficulty. 

noun
  • An uphill route. 

How often have the words struggleful and uphill occurred in a corpus of books? (source: Google Ngram Viewer )